<template>
  <div class="goods">
    <div class="scroll-nav-wrapper">
      <cube-scroll-nav
        :side="true"
        :data="goods"
        :options="scrollOptions"
        v-if="goods.length"
      >
        <cube-scroll-nav-panel
          v-for="good in goods"
          :key="good.name"
          :label="good.name"
          :title="good.name"
        >
          <ul>
            <li v-for="food in good.foods" :key="food.name" class="food-item">
              <div class="icon">
                <img width="57" height="57" :src="food.icon" />
              </div>
              <div class="content">
                <h2 class="name">{{ food.name }}</h2>
                <p class="desc">{{ food.description }}</p>
                <div class="extra">
                  <span class="count">月售{{ food.sellCount }}份</span
                  ><span>好评率{{ food.rating }}%</span>
                </div>
                <div class="price">
                  <span class="now">￥{{ food.price }}</span>
                  <span class="old" v-show="food.oldPrice"
                    >￥{{ food.oldPrice }}</span
                  >
                </div>
                <div class="cart-control-wrapper">
                  <cart-control :food="food" @add="onAdd"></cart-control>
                </div>
              </div>
            </li>
          </ul>
        </cube-scroll-nav-panel>
      </cube-scroll-nav>
    </div>
    <div class="shop-cart-wrapper">
      <shop-cart
        ref="shopCart"
        :select-foods="selectFoods"
        :delivery-price="seller.deliveryPrice"
        :min-price="seller.minPrice"
      ></shop-cart>
    </div>
  </div>
</template>

<script>
import { getGoods } from "../../service/index";
import ShopCart from "../shop-cart/ShopCart";
import CartControl from "../cart-control/CartControl";
export default {
  name: "Goods",
  components: {
    ShopCart,
    CartControl,
  },
  props: {
    data: {
      type: Object,
      default() {
        return {};
      },
    },
  },
  data() {
    return {
      goods: [],
      scrollOptions: {
        click: false,
        directionLockThreshold: 0,
      },
    };
  },
  computed: {
    seller() {
      return this.data.seller;
    },
    selectFoods() {
      let ret = [];
      this.goods.forEach((good) => {
        good.foods.forEach((food) => {
          if (food.count) {
            ret.push(food);
          }
        });
      });
      return ret;
    },
  },
  methods: {
    fetch() {
      getGoods().then((goods) => {
        this.goods = goods;
      });
    },
    onAdd(target) {
      this.$refs.shopCart.drop(target);
    },
  },
};
</script>

<style lang="stylus" scoped>
@import '~assets/stylus/mixin'
@import '~assets/stylus/variable'
.goods
  position relative
  text-align left
  height 100%
  .scroll-nav-wrapper
    position absolute
    width 100%
    top 0
    left 0
    bottom 48px
  >>> .cube-scroll-nav-bar
    width 80px
    white-space normal
    overflow hidden
  >>> .cube-scroll-nav-bar-item
    padding 0 10px
    display flex
    align-items center
    height 56px
    line-height 14px
    font-size $fontsize-small
    background $color-background-ssss
    .text
      flex 1
      position relative
    .num
      position absolute
      right -8px
      top -10px
    .support-ico
      display inline-block
      vertical-align top
      margin-right 4px
  >>> .cube-scroll-nav-bar-item_active
    background $color-white
    color $color-dark-grey
  >>> .cube-scroll-nav-panel-title
    padding-left 14px
    height 26px
    line-height 26px
    border-left 2px solid $color-col-line
    font-size $fontsize-small
    color $color-grey
    background $color-background-ssss
  .food-item
    display flex
    margin 18px
    padding-bottom 18px
    position relative
    &:last-child
      border-none()
      margin-bottom 0
    .icon
      flex 0 0 57px
      margin-right 10px
      img
        height auto
    .content
      flex 1
      .name
        margin 2px 0 8px 0
        height 14px
        line-height 14px
        font-size $fontsize-medium
        color $color-dark-grey
      .desc, .extra
        line-height 10px
        font-size $fontsize-small-s
        color $color-light-grey
      .desc
        line-height 12px
        margin-bottom 8px
      .extra
        .count
          margin-right 12px
      .price
        font-weight 700
        line-height 24px
        .now
          margin-right 8px
          font-size $fontsize-medium
          color $color-red
        .old
          text-decoration line-through
          font-size $fontsize-small-s
          color $color-light-grey
    .cart-control-wrapper
      position absolute
      right 0
      bottom 12px
  .shop-cart-wrapper
    position absolute
    left 0
    bottom 0
    z-index 50
    width 100%
    height 48px
</style>